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chemical reaction
reactions and stuff
Term | Definition |
---|---|
Chemistry | Is the study of the properties of matter and how it changes. |
Element | Is a substance that cannot be broken down into another substance by chemical or physical change. |
Compound | Is a substance made of two or more elements chemically combined in a specific ratio, or proportion. |
Mixture | Is made of two or more pure substances - elements, compounds, or both - that are in the same place but not combined as a new material. |
Solution | Is a well-mixed mixture. |
Physical change | A change that alters the form or appearance of a material but does not make the material into another substance. |
Chemical change | A change in matter that produces new substances. |
Precipitate | A solid that forms from solution during a chemical reaction. |
Atom | The smallest particle of an element. |
Molecule | Is the combination of two or more atoms. |
Chemical bond | The force that holds atoms together. |